MBL2 and Dengue hemorrhagic fever: By contrast, studies from Northeast Brazilian groups have both reportedassociations between combinations of functional MBL2 exon 1 SNPs atcodons 52 (rs5030737), 54 (rs1800450) and 57 (rs1800451) and dengue outcomes such asthrombocytopenia26 and also dengue haemorrhagic fever (DHF).27